---
id: CVE-2025-59322
title: >-
  CPSD CryptoPro Secure Disk for Bitlocker before v7.7.4 fails to properly
  handle decryption errors and allows encrypted volumes to be mounted as
  plaintext.
summary: >-
  CPSD CryptoPro Secure Disk for Bitlocker before v7.7.4 fails to properly
  handle decryption errors and allows encrypted volumes to be mounted as
  plaintext.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-329
  - CWE-703
published: '2026-08-12'
updated: '2026-09-29'
sourceUpdated: '2026-09-29T11:10:00.150'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-59322'
references:
  - url: >-
      https://i.blackhat.com/BH-USA-26/Presentations/US-26-Burch-The-Cost-of-Obscurity-Wednesday.pdf
    label: cve@mitre.org
  - url: >-
      https://i.blackhat.com/BH-USA-26/Presentations/US-26-Burch-The-Cost-of-Obscurity-wp.pdf
    label: cve@mitre.org
  - url: 'https://www.cpsd.at/blog/'
    label: cve@mitre.org
tags:
  - nvd
ingestedAt: '2026-09-29T11:32:41.237Z'
---

## Overview

CPSD CryptoPro Secure Disk for Bitlocker before v7.7.4 fails to properly handle decryption errors and allows encrypted volumes to be mounted as plaintext.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.